2991290260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{105253}}^1$

素因数の和:105305

約数の個数: 72

約数和(自身を含む): 7559342280

約数和(自身を除く): 4568052020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2842, 4060, 5684, 7105, 14210, 28420, 105253, 210506, 421012, 526265, 736771, 1052530, 1473542, 2105060, 2947084, 3052337, 3683855, 5157397, 6104674, 7367710, 10314794, 12209348, 14735420, 15261685, 20629588, 21366359, 25786985, 30523370, 42732718, 51573970, 61046740, 85465436, 103147940, 106831795, 149564513, 213663590, 299129026, 427327180, 598258052, 747822565, 1495645130, 2991290260]

約数ペア:

[(1, 2991290260), (2, 1495645130), (4, 747822565), (5, 598258052), (7, 427327180), (10, 299129026), (14, 213663590), (20, 149564513), (28, 106831795), (29, 103147940), (35, 85465436), (49, 61046740), (58, 51573970), (70, 42732718), (98, 30523370), (116, 25786985), (140, 21366359), (145, 20629588), (196, 15261685), (203, 14735420), (245, 12209348), (290, 10314794), (406, 7367710), (490, 6104674), (580, 5157397), (812, 3683855), (980, 3052337), (1015, 2947084), (1421, 2105060), (2030, 1473542), (2842, 1052530), (4060, 736771), (5684, 526265), (7105, 421012), (14210, 210506), (28420, 105253)]